| 摘要 |
<p>Folding pedal crank (10) consists of a head (20) and an arm (30), which are each pivotally connected by a pin (40) and in the working position are securing by a pin detent (50), which is locsted in the sliding arm (30) and cranks pressed to a contact area of the head (20). It consists of a power control member, which preferably is fastenings (80).</p> |
